Dog cage



FIG. 1 is a front elevational view of a dog cage showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a perspective view thereof.

The broken lines in the drawings depict portions of the dog cage that form no part of the claimed design.

The dash-dot-dash-dot broken lines are boundary lines and define the bounds of the claimed design. The claimed design extends to the boundary lines but does not include the boundary lines. 

CLAIM The ornamental design for a dog cage, as shown and described. 